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MMA7360LR2 Datasheet(PDF) 3 Page - Freescale Semiconductor, Inc |
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MMA7360LR2 Datasheet(HTML) 3 Page - Freescale Semiconductor, Inc |
3 / 10 page Sensors Freescale Semiconductor 3 MMA7360L Table 2. Operating Characteristics Unless otherwise noted: –20°C < TA < 85°C, 2.2 V < VDD < 3.6 V, Acceleration = 0g, Loaded output (1) Characteristic Symbol Min Typ Max Unit Operating Range(2) Supply Voltage(3) Supply Current(4) Supply Current at Sleep Mode(4) Operating Temperature Range Acceleration Range, X-Axis, Y-Axis, Z-Axis g-Select: 0 g-Select: 1 VDD IDD IDD TA gFS gFS 2.2 — — -40 — — 3.3 400 3 — ±1.5 ±6.0 3.6 600 10 +85 — — V μA μA °C g g Output Signal Zero g (TA = 25°C, VDD = 3.3 V) (5), (6) Zero g(4) Sensitivity (TA = 25°C, VDD = 3.3 V) 1.5g 6g Sensitivity(4) Bandwidth Response XY Z Output Impedance 0g-Detect VOFF VOFF, TA S1.5g S6g S,TA f-3dBXY f-3dBZ ZO 0gdetect 1.485 — 740 190.6 — — — — -0.4 1.65 ±2.0 800 206 ±0.03 400 300 32 0 1.815 — 860 221.5 — — — — +0.4 V mg/°C mV/g mV/g %/°C Hz Hz k Ω g Self Test Output Response XOUT, YOUT ZOUT Input Low Input High ΔgSTXY ΔgSTZ VIL VIH +0.05 +0.8 VSS 0.7 VDD -0.1 +1.0 — — — +1.2 0.3 VDD VDD g g V V Noise Power Spectral Density RMS (0.1 Hz – 1 kHz)(4) nPSD — 350 — μg/ Control Timing Power-Up Response Time(7) Enable Response Time(8) Self Test Response Time(9) Sensing Element Resonant Frequency XY Z Internal Sampling Frequency tRESPONSE tENABLE tST fGCELLXY fGCELLZ fCLK — — — — — — 1.0 0.5 2.0 6.0 3.4 11 2.0 2.0 5.0 — — — ms ms ms kHz kHz kHz Output Stage Performance Full-Scale Output Range (IOUT = 30 µA) VFSO VSS+0.1 — VDD–0.1 V Nonlinearity, XOUT, YOUT, ZOUT NLOUT -1.0 — +1.0 %FSO Cross-Axis Sensitivity(10) VXY, XZ, YZ -5.0 — +5.0 % 1. For a loaded output, the measurements are observed after an RC filter consisting of an internal 32k Ω resistor and an external 3.3nF capacitor (recommended as a minimum to filter clock noise) on the analog output for each axis and a 0.1 μF capacitor on VDD - GND. The output sensor bandwidth is determined by the Capacitor added on the output. f = 1/2 π * (32 x 103) * C. C = 3.3 nF corresponds to BW = 1507HZ, which is the minimum to filter out internal clock noise. 2. These limits define the range of operation for which the part will meet specification. 3. Within the supply range of 2.2 and 3.6 V, the device operates as a fully calibrated linear accelerometer. Beyond these supply limits the device may operate as a linear device but is not guaranteed to be in calibration. 4. This value is measured with g-Select in 1.5g mode. 5. The device can measure both + and – acceleration. With no input acceleration the output is at midsupply. For positive acceleration the output will increase above VDD/2. For negative acceleration, the output will decrease below VDD/2. 6. For optimal 0g offset performance, adhere to AN3484 and AN3447 7. The response time between 10% of full scale VDD input voltage and 90% of the final operating output voltage. 8. The response time between 10% of full scale Sleep Mode input voltage and 90% of the final operating output voltage. 9. The response time between 10% of the full scale self test input voltage and 90% of the self test output voltage. 10. A measure of the device’s ability to reject an acceleration applied 90° from the true axis of sensitivity. Hz |
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